// Copyright(c) 2019 - 2020, #Momo
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// modification, are permitted provided that the following conditions are met :
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// 1. Redistributions of source code must retain the above copyright notice, this
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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#include "NoiseGenerator.h"
#include "Utilities/Random/Random.h"

namespace MxEngine
{
    TextureHandle NoiseGenerator::MakeRandomOneChannelTexture(size_t width, size_t height)
    {
        TextureHandle result = Factory<Texture>::Create();
        MxVector<std::array<uint8_t, 3>> noise;
        noise.resize(width * height);

        for (auto& pix : noise)
        {
            auto randomValue = (uint8_t)Random::Range(0, 255);
            pix[0] = pix[1] = pix[2] = randomValue;
        }

        result->Load(noise[0].data(), (int)width, (int)height, 3, false);
        result->SetInternalEngineTag("[[noise]]");
        return result;
    }

    TextureHandle NoiseGenerator::MakeRandomTexture(size_t width, size_t height)
    {
        TextureHandle result = Factory<Texture>::Create();
        MxVector<std::array<uint8_t, 3>> noise;
        noise.resize(width * height);

        for (auto& pix : noise)
        {
            pix[0] = (uint8_t)Random::Range(0, 255);
            pix[1] = (uint8_t)Random::Range(0, 255);
            pix[2] = (uint8_t)Random::Range(0, 255);
        }

        result->Load(noise[0].data(), (int)width, (int)height, 3, false);
        result->SetInternalEngineTag("[[noise]]");
        return result;
    }
}